Cascades of subglacial lakes in Antarctica |
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| Authors: | V M Kotlyakov L N Vasiliev A B Kachalin M Yu Moskalevsky A S Tyuflin |
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| Institution: | 1.Institute of Geography,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | Progress in understanding cascades of subglacial lakes in Antarctica and in the dynamics of their surface was derived using
satellite laser altimetry measurements ICESat. The morphological and dynamical signs indicate subglacial lakes and the positions
of their shore lines. Oscillations of surfaces in transition zones are periodic, while the changes in surface elevation above
subglacial lakes are random. The pattern of surface displacements above cascades of subglacial lakes in Antarctica and their
transition zones as similar. In the sense of technology, this paper initiates the method of mapping subglacial lakes based
on satellite laser measurements of elevation. |
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